Home / 52,664.75-72,675.78-28,790.94

Finding the Fourth Proportional to 52,664.75, 72,675.78 and 28,790.94

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Solution

The fourth proportional to 52,664.75, 72,675.78 and 28,790.94 is: 39,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.75 : 72,675.78 = 28,790.94 : x
  2. Step 2: Convert to fraction form
    52,664.75/72,675.78 = 28,790.94/x
  3. Step 3: Cross multiply
    52,664.75x = 72,675.78 × 28,790.94
  4. Step 4: Simplify right side
    52,664.75x = 2,092,404,021.43
  5. Step 5: Solve for x
    x = 2,092,404,021.43/52,664.75
  6. Step 6: Final answer
    x = 39,730.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.